Table Of Contents
Last updated on March 29th, 2025
Roman numerals are a way of expressing numbers using symbols. The symbols used in Roman numerals are I, V, X, L, C, D, and M. Roman Numerals are often used in royal titles, book names, sequences, and more. In this text, we'll discuss Roman Numerals, rules, and examples related to the topic.
Roman numerals are prevalent in royal titles such as Henry I, Henry II, and so on. You might have noticed these symbols (I and II) and wondered what they represent. Those are Roman Numerals.\
In ancient times, people counted using fingers, sticks, bones, etc., and when life became more complex, a standardized numeral system was required. Ancient Romans used the Roman Numeral system to count. The symbols used are I (1), V (5), X (10), L (50), C (100), D (500), and M (1000).
In Roman Numerals, we use CLXIX to represent 169, where C is 100, L is 50, X is 10, and IX is 9. Let’s learn more about Roman numerals and how we write them.
There are certain basic rules to write numbers in Roman Numerals. Let's discuss some rules that need to be remembered when writing numbers in Roman numerals.
Rule 1: Addition Method
When a smaller number is placed after a larger number, the values are added. For example, CLX → C + L + X → 100 + 50 + 10 = 160.
Rule 2: Repetition Method
Certain Roman Numerals can be repeated up to three times to represent numbers. For instance, CCC → 300.
Rule 3: Subtraction Method
When a smaller number precedes a larger number, it is subtracted from the larger number. For example, IX → X - I → 10 - 1 = 9.
Rule 4: Limitation Rule
Symbols cannot be repeated more than three times in succession, and some symbols like V, L, and D cannot be repeated. For example, we don't write VV for 10; instead, we use X, and for 8, we write VIII, not IIIIIIII.
Let’s learn how to write 169 in Roman Numerals using different methods.
In the expansion method, the number is broken down based on place value. To write 169 in Roman Numerals, follow these steps:
Step 1: Break the number based on place value: hundreds, tens, and ones.
For 169, we write it as 100 + 50 + 10 + 9.
Step 2: Convert each number into Roman Numerals:
100 in Roman Numerals — C
50 in Roman Numerals — L
10 in Roman Numerals — X
9 in Roman Numerals — IX
Step 3: Combine the Roman Numerals together.
Therefore, 169 in Roman Numerals is C (100) + L (50) + X (10) + IX (9) = CLXIX.
When writing a large number in Roman Numerals, we group the numbers. To write 169 in Roman Numerals, we group 169 as 100 + 50 + 10 + 9.
100 in Roman Numerals — C
50 in Roman Numerals — L
10 in Roman Numerals — X
9 in Roman Numerals — IX
So, 169 is written as CLXIX in Roman Numerals.
A historian finds CLXIX ancient coins divided into XIII hidden compartments. Determine the number of coins in each compartment.
An archaeologist discovers two artifacts dated at LXXXIV and LXXXV years old. Find the total age of the artifacts in Roman numerals.
A collector has CLXIX stamps and wants to distribute them equally among four friends. How many stamps will each friend receive?
A museum exhibit features a timeline that includes an event occurring in the year CLXIX AD. How many years ago was this event from the year MMXXIII AD?
A mathematician writes an equation where the sum of LXXVIII and XCI equals a certain number. Identify this number in Roman numerals.
Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.
: She loves to read number jokes and games.